Product Overview

The Bourns 04770x Series Common Mode Choke is designed for effective broadband damping and excellent attenuation of symmetric and asymmetric noise. Its compact size, glue-free construction, and wide operating temperature range make it suitable for demanding applications. This series is compliant with EN 138100 standards and is RoHS compliant and halogen free.

Product Attributes

• Brand: Bourns
• Construction: Glue-free
• Compliance: EN 138100 standards
• Certifications: RoHS compliant*, Halogen free**
• Core/Material: R 31.5/19/12.5 / i=6000
• Base Material: PA66 A3X2G7, PA6
• Spacer Material: PA66 A3X2G7, PA6

Technical Specifications

Additional Information

• Transformation Ratio: 1:1
• Pin Diameter: 1.5 mm
• Packaging: Tray (48 pcs. per tray)

Dimensions (MM / Inches)

• Overall Height (Max): 36 (1.417)
• Overall Width (Max): 40 (1.575)
• Overall Depth (Max): 38 (1.496)
• Body Height (Max): 22 (.866)
• Lead Diameter: 2.0 (.079) DIA. 4 PLCS.
• Lead Spacing: 2.54 (.100)

Applications

• Frequency converters
• Wall boxes
• Power supplies
• Drives and control circuits

Schematic

AI, AII: Start of winding; EI, EII: End of winding

Part Marking

CW/YY (Calendar Week/Year of Manufacture), MODEL NUMBER (047700), MANUFACTURER (Kaschke)

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.

Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.